Learning WML, and WMLScript

Appendix C. Summary of WMLScript Operators

Operator	Operation	Operands	Result
Precedence: 1 (highest) / Associativity: none
++	Increment	Number	Number or invalid
--	Decrement	Number	Number or invalid
+	Unary plus	Number	Number or invalid
-	Unary minus	Number	Number or invalid
~	Bitwise not	Integer	Integer or invalid
!	Logical not	Boolean	Boolean or invalid
typeof	Get datatype	Any	Integer
isvalid	Check if valid/invalid	Any	Boolean
Precedence: 2 / Associativity: lef
*	Multiplication	Number,number	Number or invalid
/	Floating-point division	Float,float	Float or invalid
div	Integer division	Integer,integer	Integer or invalid
%	Remainder	Integer,integer	Integer or invalid
Precedence: 3 / Associativity: left
+	Addition or string concatenation	Number/string,number/string	Number or string or invalid
-	Subtraction	Number,number	Number or invalid
Precedence: 4 / Associativity: left
<<	Shift left	Integer,integer	Integer or invalid
>>	Shift right (signed)	Integer,integer	Integer or invalid
>>>	Shift right (unsigned)	Integer,integer	Integer or invalid
Precedence: 5 / Associativity: left
<	Less than	Number/string,number/string	Boolean or invalid
<=	Less than or equal to	Number/string,number/string	Boolean or invalid
>	Greater than	Number/string,number/string	Boolean or invalid
>=	Greater than ...